Release Notes
This patch is based on the ESP8266_RTOS_SDK_V1.4.0(cb4060d9) and contains all changes updated within ESP8266_RTOS_SDK_V1.4.1(5377c409). When this patch is used, .a files in this patch shall replace corresponding files under the SDK/lib Folder.Attention: Please refer to “user_main.c” in the zip for “user_rf_cal_sector_set” sample code.
- Resolved an issue that RF_Init_data sector may be broken in stress test. Provided a function “user_rf_cal_sector_set” which has to be added in application by software developer. More details about user_rf_cal_sector_set refer to documentation “2C-ESP8266__SDK__API Guide”.(Resolved in ESP8266_RTOS_SDK_V1.4.1)
- Fix a potential risk that will cause rf not work after external reset.(Resolved in ESP8266_RTOS_SDK_V1.4.2)
- Modify 112 byte of esp_init_data_default.bin, 0x03->0x00, turn off auto freq correction.(Resolved in ESP8266_RTOS_SDK_V1.4.2)
ESP8266_RTOS_SDK Note:
- esp_init_data.bin has to be downloaded into flash at least once.
- Download blank.bin to initialize the sector stored RF_CAL parameter (set by user_rf_cal_sector_set), and download esp_init_data.bin into flash, when the system needs to be initialized, or RF needs to be calibrated again.
Have fun!
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发布说明
本patch基于ESP8266_RTOS_SDK_V1.4.0(cb4060d9)，已包含1.4.1(5377c409)的改动，使用时将压缩包中.a文件覆盖SDK/lib目录下对应文件。注意：基于更新1的示例代码可参考压缩包中的user_main.c。
- 修正部分情况下，RF_Init_data 系统参数区可能被破坏的问题。新增 user_rf_cal_sector_set，用户程序必须实现此接口，详细参见文档 “2C-ESP8266__SDK__API Guide”。 (1.4.1中解决）
- 修正外部复位后，小概率存在 rf 不工作的问题。（1.4.2中解决）
- 修改esp_init_data_default.bin的112字节，0x03->0x00，默认关闭频偏自动校正。(1.4.2中解决）
ESP8266_RTOS_SDK 注意事项:
- esp_init_data.bin 至少需要烧录一次到 flash。
- 建议整个系统需要做初始化设置时，或需要重新进行 RF_CAL 时，烧录 blank.bin 到 RF_CAL 参数区 (由 user_rf_cal_sector_set 设置)，并烧录 esp_init_data.bin 到 flash。
感谢您对 ESP8266 的关注！
